CN219912099U - Outer sleeve lining plug-in type pipeline connection structure - Google Patents
Outer sleeve lining plug-in type pipeline connection structure Download PDFInfo
- Publication number
- CN219912099U CN219912099U CN202321709944.7U CN202321709944U CN219912099U CN 219912099 U CN219912099 U CN 219912099U CN 202321709944 U CN202321709944 U CN 202321709944U CN 219912099 U CN219912099 U CN 219912099U
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- CN
- China
- Prior art keywords
- pipeline
- pipe
- outer sleeve
- lining
- lining pipe
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000005260 corrosion Methods 0.000 claims abstract description 10
- 238000007789 sealing Methods 0.000 claims abstract description 10
- 239000003973 paint Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 238000003466 welding Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 5
- 230000007797 corrosion Effects 0.000 abstract description 3
- 238000010276 construction Methods 0.000 description 4
- 238000005536 corrosion prevention Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Abstract
The utility model relates to an outer sleeve lining plug-in type pipeline connecting structure which comprises a first pipeline, a second pipeline, an outer sleeve and a lining pipe, wherein a circle of boss is arranged in the middle of the outer part of the lining pipe; the inner pipe end of the first pipeline is inserted into the left end of the outer sleeve, and the inner pipe end of the second pipeline is inserted into the right end of the outer sleeve; the left end of the lining pipe is inserted into the inner pipe end of the first pipeline, and the right end of the lining pipe is inserted into the inner pipe end of the second pipeline; and a sealing piece is arranged between the inner pipe end of the first pipeline and the second pipeline, which are inserted into the outer sleeve, and the boss of the inner liner pipe. The pipeline connecting structure mainly solves the problems that the existing pipeline connecting structure and method are high in technological requirements and complex in operation, and corrosion resistance is easy to generate at welding positions.
Description
Technical Field
The utility model relates to a pipeline connecting structure mode, in particular to an outer sleeve lining plug-in type pipeline connecting structure.
Background
The connection and corrosion prevention of oil and gas transmission pipelines are key points for pipeline construction and operation. The conventional pipeline connection is mostly in a welding mode, namely, the end part of the first pipeline is connected with the end part of the second pipeline in a welding mode. The welding process has high requirements, and the corrosion prevention problem of the welding part of the pipeline interface increases the construction difficulty and the operation cost.
Disclosure of Invention
The utility model aims to provide a jacket lining plug-in type pipeline connecting structure, which mainly solves the problems that the prior pipeline connecting structure and method have high technological requirements and complex operation, and the welding position is easy to produce corrosion resistance.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
the utility model provides a overcoat inside lining plug-in type pipeline connection structure, includes first pipeline, second pipeline, its characterized in that: the inner lining pipe is provided with a circle of boss in the middle outside the inner lining pipe; the inner pipe end of the first pipeline is inserted into the left end of the outer sleeve, and the inner pipe end of the second pipeline is inserted into the right end of the outer sleeve; the left end of the lining pipe is inserted into the inner pipe end of the first pipeline, and the right end of the lining pipe is inserted into the inner pipe end of the second pipeline; and a sealing piece is arranged between the inner pipe end of the first pipeline and the second pipeline, which are inserted into the outer sleeve, and the boss of the inner liner pipe.
The jacket lining plug-in type pipeline connecting structure is characterized in that: the outer diameters of the inner pipe ends of the first pipe and the second pipe are consistent and are 0.01-0.30mm larger than the inner diameters of the left end and the right end of the outer sleeve, so that interference fit is formed.
The jacket lining plug-in type pipeline connecting structure is characterized in that: the inner diameters of the inner pipe ends of the first pipeline and the second pipeline are consistent, and are smaller than the outer diameters of the left end and the right end of the lining pipe by 0.01-0.30mm, so that interference fit is formed.
The jacket lining plug-in type pipeline connecting structure is characterized in that: the lining pipe is made of stainless steel material with an anti-corrosion function or is coated with anti-corrosion paint outside the lining pipe body.
The utility model combines the requirements of reliability and tightness of connection from the angles of the requirements of pipeline connection and connection convenience, and the connection adopts an interference mode, has simple construction process and reliable seal corrosion prevention.
Drawings
The utility model is further described below with reference to the drawings and examples of implementation.
Fig. 1 is a schematic structural view of the present utility model.
In the figure: 1. a first pipe; 2. an outer sleeve; 3. an inner liner tube; 4. a seal; 5. and a second pipe.
Detailed Description
The present utility model will be described in detail with reference to the accompanying drawings.
Referring to fig. 1, the utility model discloses a jacket lining plug-in type pipeline connection structure. As shown in the figure: it includes first pipeline 1, second pipeline 5, its characterized in that: the inner lining pipe comprises an outer sleeve 2 and an inner lining pipe 3, wherein a circle of boss is arranged in the middle outside the inner lining pipe 3; the inner pipe end of the first pipeline 1 is inserted into the left end of the outer sleeve 2, and the inner pipe end of the second pipeline 5 is inserted into the right end of the outer sleeve 2; the left end of the lining pipe 3 is inserted into the inner pipe end of the first pipeline 1, and the right end of the lining pipe 3 is inserted into the inner pipe end of the second pipeline 5; a sealing piece 4 is arranged between the inner pipe end of the first pipe 1 and the second pipe 5 inserted into the outer sleeve 2 and the boss of the lining pipe 3. The lining tube 3 of the utility model is a different part in the prior art, and the boss is used for matching with the inner tube ends of the first pipeline 1 and the second pipeline 5 to limit the arrangement of the sealing element 4 and the end surface limit of the sealing ring 4, and also can be matched with the outer sleeve 2 to realize centering and positioning.
Through the structure, the first pipeline and the second pipeline are convenient to connect, the construction process is simple, and the sealing performance and the corrosion resistance are improved through the sealing element 4.
In the utility model, the outer diameters of the inner pipe ends of the first pipeline 1 and the second pipeline 5 are consistent and are 0.01-0.30mm larger than the inner diameters of the left end and the right end of the outer sleeve 2, so that interference fit is formed.
In the utility model, the inner diameters of the inner pipe ends of the first pipeline 1 and the second pipeline 5 are consistent, and are smaller than the outer diameters of the left end and the right end of the lining pipe 3 by 0.01-0.30mm, so that interference fit is formed.
The interference fit can ensure the reliability and the tightness of the connection.
In the utility model, the lining pipe 3 is made of stainless steel with an anti-corrosion function or the outside of the pipe body of the lining pipe 3 is coated with anti-corrosion paint, and the anti-corrosion performance of the whole body is improved by matching with the sealing ring 4.
As a preferable mode, two sealing rings 4 with the wire diameters of 5.33mm are respectively arranged between the pipe ends of the first pipeline 1 and the second pipeline 5 and the boss of the lining pipe 3.
The foregoing description is merely illustrative of the preferred embodiments of the present utility model, and is not intended to limit the scope of the present utility model. Equivalent changes and modifications are intended to be within the scope of the present utility model as defined in the appended claims.
Claims (4)
1. The utility model provides a overcoat inside lining plug-in type pipeline connection structure, includes first pipeline (1), second pipeline (5), its characterized in that: the inner lining pipe comprises an outer sleeve (2) and an inner lining pipe (3), wherein a circle of boss is arranged in the middle outside the inner lining pipe (3); the inner pipe end of the first pipeline (1) is inserted into the left end of the outer sleeve (2), and the inner pipe end of the second pipeline (5) is inserted into the right end of the outer sleeve (2); the left end of the lining pipe (3) is inserted into the inner pipe end of the first pipeline (1), and the right end of the lining pipe (3) is inserted into the inner pipe end of the second pipeline (5); a sealing piece (4) is arranged between the inner pipe end of the first pipeline (1) and the second pipeline (5) which are inserted into the outer sleeve (2) and the boss of the lining pipe (3).
2. The jacket-liner plug-in conduit connection according to claim 1, wherein: the outer diameters of the inner pipe ends of the first pipeline (1) and the second pipeline (5) are consistent, and are 0.01-0.30mm larger than the inner diameters of the left end and the right end of the outer sleeve (2), so that interference fit is formed.
3. The jacket-liner plug-in conduit connection according to claim 1, wherein: the inner diameters of the inner pipe ends of the first pipeline (1) and the second pipeline (5) are consistent, and are smaller than the outer diameters of the left end and the right end of the lining pipe (3) by 0.01-0.30mm, so that interference fit is formed.
4. A jacket lining plug-in pipe connection according to claim 1 or 2 or 3, characterized in that: the lining pipe (3) is made of stainless steel material with an anti-corrosion function or the outside of the lining pipe (3) is coated with anti-corrosion paint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321709944.7U CN219912099U (en) | 2023-07-03 | 2023-07-03 | Outer sleeve lining plug-in type pipeline connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321709944.7U CN219912099U (en) | 2023-07-03 | 2023-07-03 | Outer sleeve lining plug-in type pipeline connection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219912099U true CN219912099U (en) | 2023-10-27 |
Family
ID=88465397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321709944.7U Active CN219912099U (en) | 2023-07-03 | 2023-07-03 | Outer sleeve lining plug-in type pipeline connection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219912099U (en) |
-
2023
- 2023-07-03 CN CN202321709944.7U patent/CN219912099U/en active Active
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